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Extractor and fan suitable for installation in closed rooms, bathrooms, toilets, etc. It is an extractor that forces the exit of the air and the bad smells of a closed room. Extractor fan model for wall recess, directly to an air extraction line.

One hertz is one cycle per second, meaning repeating cycle as an event. For example, hertz is applied physics measuring the number of times for a second wave (either acoustic or electromagnetic) is repeated or can be applied, among other uses, to ocean waves that reach the Beach vibrations per second or a solid. The quantity that measures the frequency hertz is called,in this regard, the inverse of the period. One hertz is an oscillation frequency of suffering a particle over a period of one second.

hen we talk about IP code (International Protection) we talk about an international standard (IEC 60529) which classifies the protection against external factors, solid or liquid, that has a component or electronic device; LED strips, controllers, meters, security cameras, etc.

This alpha-numerically standard has been designed to sort different levels of protection. Nomenclature starts with IP followed by two numeric values.

- Example IP68:

The first value ranges from 0 to 6 and indicates the protection against solid agents. In this case, strong protection against dust.

The second value is between 0 and 8 and indicates the protection against liquid agents. In this case the complete and prolonged immersion during the time specified by the manufacturer.

We could say that the larger the number is greater IP protection has a device.

In below table, we can see different IP protections levels available.

IPXX

First digit (IPxx)

Second digit (IPxx)

0

Unprotected.

Unprotected.

1

Protection against objects of> 50 mm diameter.

Protection against vertically dripping water.

2

Protection against objects of> 12.5 mm diameter.

Protection against inclined drip water up to 15°.

3

Protection against objects of> 2 mm in diameter.

Protection against water projected from any direction, up to 60°.

4

Protection against objects of> 1 mm in diameter.

Protection against splashing water any direction.

5

Ingress of dust is not entirely revented, but it must not enter in sufficient quantity to interfere with the satisfactory operation of the equipment .